<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="文件名称" prop="fileName">
        <el-input
          v-model="queryParams.fileName"
          placeholder="请输入文件名称"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="所属类型" prop="typeId">
        <el-select v-model="queryParams.typeId" clearable placeholder="请选择所属分类">
          <el-option
            v-for="type in typeList"
            :key="type.id"
            :label="type.name"
            :value="type.id"
          ></el-option>
        </el-select>
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          v-hasPermi="['bed:file:add']"
        >新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="success"
          plain
          icon="el-icon-edit"
          size="mini"
          :disabled="single"
          @click="handleUpdate"
          v-hasPermi="['bed:file:edit']"
        >修改</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="danger"
          plain
          icon="el-icon-delete"
          size="mini"
          :disabled="multiple"
          @click="handleDelete"
          v-hasPermi="['bed:file:remove']"
        >删除</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="warning"
          plain
          icon="el-icon-download"
          size="mini"
          @click="handleExport"
          v-hasPermi="['bed:file:export']"
        >导出</el-button>
      </el-col>
        <el-col :span="1.5">
          <el-button
            type="success"
            plain
            icon="el-icon-up"
            size="mini"
            @click="uploadImgHandle"
            v-hasPermi="['bed:file:list']"
          >图片上传</el-button>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

<!--    <el-row :gutter="10" class="mb8">
      <el-col :span="6" v-for="(img, index) in fileList" :key="index">
        <image-preview-web :src="img.url" :width="260" :height="260"/>
      </el-col>
    </el-row>-->

    <el-table v-loading="loading" :data="fileList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="图像名称" align="center" prop="fileName" />
      <el-table-column label="图像信息" align="center" prop="url" width="100">
        <template slot-scope="scope">
          <image-preview :src="scope.row.url" :width="50" :height="50"/>
        </template>
      </el-table-column>
<!--      <el-table-column label="请求代理地址" align="center" prop="proxyUrl" />
      <el-table-column label="文件虚拟地址" align="center" prop="proxyFile" />
      <el-table-column label="是否删除" align="center" prop="isDel">
        <template slot-scope="scope">
          <dict-tag :options="dict.type.sys_yes_no" :value="scope.row.isDel"/>
        </template>
      </el-table-column>
      <el-table-column label="文件所属用户" align="center" prop="userId">
        <template slot-scope="scope">
          <dict-tag :options="dict.type.sys_yes_no" :value="scope.row.userId"/>
        </template>
      </el-table-column>
      <el-table-column label="文件所属类型" align="center" prop="typeId">
        <template slot-scope="scope">
          <dict-tag :options="dict.type.sys_yes_no" :value="scope.row.typeId"/>
        </template>
      </el-table-column>-->
      <el-table-column label="备注信息" align="center" prop="remark" />
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button
            size="mini"
            type="text"
            icon="el-icon-picture-outline-round"
            @click="copyImgInfo('URL', scope.row)"
          >URL</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-finished"
            @click="copyImgInfo('HTML', scope.row)"
          >HTML</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-document-checked"
            @click="copyImgInfo('MarkDown', scope.row)"
          >MarkDown</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['bed:file:edit']"
          >修改</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['bed:file:remove']"
          >删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination
      v-show="total>0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 添加或修改图床文件对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="60%" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="100px">
        <el-form-item label="文件所属类型" prop="typeId">
          <el-select v-model="form.typeId" placeholder="请选择文件所属分类">
            <el-option
              v-for="type in typeList"
              :key="type.id"
              :label="type.name"
              :value="type.id"
            ></el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="图像信息" prop="url">
          <image-preview :src="form.url" :width="200" :height="200"/>
        </el-form-item>
        <el-form-item label="文件名称" prop="fileName">
          <el-input v-model="form.fileName" placeholder="请输入文件名称" />
        </el-form-item>
<!--        <el-form-item label="文件所在路径" prop="filePath">
          <el-input v-model="form.filePath" placeholder="请输入文件所在路径" />
        </el-form-item>-->
<!--        <el-form-item label="请求代理地址" prop="proxyUrl">
          <el-input v-model="form.proxyUrl" placeholder="请输入请求代理地址" />
        </el-form-item>
        <el-form-item label="文件虚拟地址" prop="proxyFile">
          <el-input v-model="form.proxyFile" placeholder="请输入文件虚拟地址" />
        </el-form-item>
        <el-form-item label="是否删除" prop="isDel">
          <el-select v-model="form.isDel" placeholder="请选择是否删除">
            <el-option
              v-for="dict in dict.type.sys_yes_no"
              :key="dict.value"
              :label="dict.label"
              :value="parseInt(dict.value)"
            ></el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="文件所属用户" prop="userId">
          <el-input v-model="form.userId" placeholder="请输入文件所属用户" />
        </el-form-item>-->
        <el-form-item label="备注信息" prop="remark">
          <el-input v-model="form.remark" type="textarea" placeholder="请输入内容" />
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
    <!-- 文件上传模态框 -->
    <el-dialog title="文件上传" :visible.sync="uploadImgBox" width="30%">
      <div class="uploadBox">
        <div style="margin-bottom: 15px">
          所属类别：
          <el-select
            v-model="typeKey"
            placeholder="请选择所属类别"
            clearable
            style="width: 240px"
          >
            <el-option
              v-for="type in typeList"
              :key="type.typeKey"
              :label="type.name"
              :value="type.typeKey"
            />
          </el-select>
        </div>
        <!-- 1.将<el-upload>代码添加到<el-dialog>代码块中 -->
        <div>
          <el-upload
            ref="upload"
            class="upload-demo"
            :before-upload="uploadBefore"
            drag
          >
            <i class="el-icon-upload"></i>
            <div class="el-upload__text">将文件拖到此处，或<em>点击上传</em></div>
            <div class="el-upload__tip" slot="tip">
              <span style="font-size: 11px; color: red">Tip: 只能上传<span style="color: orange">图片格式</span>文件</span>
            </div>
          </el-upload>
        </div>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import { listFile, getFile, delFile, addFile, updateFile, uploadImgFile } from "@/api/bed/file";
import { listAllType } from "@/api/bed/type";

export default {
  name: "File",
  dicts: ['sys_yes_no'],
  data() {
    return {
      uploadImgBox: false,
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 图床文件表格数据
      fileList: [],
      typeList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        fileName: null,
        filePath: null,
        url: null,
        proxyUrl: null,
        proxyFile: null,
        isDel: null,
        userId: null,
        typeId: null,
      },
      typeKey: '',
      // 表单参数
      form: {},
      // 表单校验
      rules: {
      }
    };
  },
  created() {
    this.getTypeList();
    this.getList();
  },
  methods: {
    /** 查询图床文件列表 */
    getList() {
      this.loading = true;
      listFile(this.queryParams).then(response => {
        this.fileList = response.rows;
        this.total = response.total;
        this.loading = false;
      });
    },
    // 获取所有文件分类
    getTypeList() {
      listAllType().then(res => {
        this.typeList = res.data;
      })
    },
    copyImgInfo(type, row) {
      let copyInfo = row.url;
      if (type === 'HTML') {
        copyInfo = '<img src="' + row.url + '" alt="' + row.fileName + '" />';
      } else if (type === 'MarkDown') {
        copyInfo = '![' + row.fileName + '](' + row.url + ')';
      }
      const that = this;
      this.$copyText(copyInfo).then(
        function(e) {
          console.log("copy arguments e:", e);
          that.$modal.msgSuccess(type + "格式复制成功!");
        },
        function(e) {
          console.log("copy arguments e:", e);
          that.$modal.msgError(type + "格式复制失败!");
        }
      )
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        id: null,
        fileName: null,
        filePath: null,
        url: null,
        proxyUrl: null,
        proxyFile: null,
        isDel: null,
        userId: null,
        typeId: null,
        createTime: null,
        updateTime: null,
        remark: null
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.id)
      this.single = selection.length!==1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加图床文件";
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      const id = row.id || this.ids
      getFile(id).then(response => {
        this.form = response.data;
        this.open = true;
        this.title = "修改图床文件";
      });
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          if (this.form.id != null) {
            updateFile(this.form).then(response => {
              this.$modal.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            addFile(this.form).then(response => {
              this.$modal.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const ids = row.id || this.ids;
      this.$modal.confirm('是否确认删除图床文件编号为"' + ids + '"的数据项？').then(function() {
        return delFile(ids);
      }).then(() => {
        this.getList();
        this.$modal.msgSuccess("删除成功");
      }).catch(() => {});
    },
    /** 导出按钮操作 */
    handleExport() {
      this.download('bed/file/export', {
        ...this.queryParams
      }, `file_${new Date().getTime()}.xlsx`)
    },

    uploadImgHandle() {
      this.uploadImgBox = true;
    },
    uploadBefore(file) {
      if (this.typeKey != null && this.typeKey != undefined && this.typeKey != '') {
        const fileData = new FormData();
        fileData.append('file', file);
        // 添加自定义数据
        fileData.append('typeKey', this.typeKey);
        return uploadImgFile(fileData).then(res => {
          if (res.code === 200) {
            this.$modal.msgSuccess("文件上传成功！");
            this.getList();
            this.uploadImgBox = false;
          } else {
            this.$modal.msgError("文件上传失败:" + res.msg);
          }
        });
      } else {
        this.$modal.msgWarning("所属类别不能为空！");
      }
    }
  }
};
</script>
<style>
.uploadBox {
  display: grid;
  place-items: center;
}
</style>
